Initially, the design for the Monument to the Great Fire of London proposed placing a statue of Sir Christopher Wren atop the structure. However, this idea was ultimately changed, and instead, a flaming gilt-bronze urn was installed at the top of the monument. The urn symbolizes the fire that devastated the city in 1666 and serves as a reminder of the resilience and rebirth of London following the disaster.

If you need more detailed historical context or additional information about the Monument itself, feel free to ask!